Ideas fuel the engine of history, and in a time when the number of vital and honest ideas are fading, he's pushing at every turn to get more flowing again.
思想点燃了历史的引擎，在一个严肃伟大的思想褪色的时代，他无时不在推动着它们的新生。
2
Engine, heart of aeroplane, is motive power pushing aeroplane and aviation industry forward.
发动机是飞机的“心脏”，是推动飞机和整个航空工业蓬勃发展的源动力。
3
Pushing responsibility to the database engine could entail the use of creating a UNIQUE index on your table.